ABC Online | Perth Children's Hospital lead contamination in water pipes supplying site, audit finds ABC Online Lead contamination in the new Perth Children's Hospital's water supply most likely came from state-managed pipes which circle the whole medical precinct, as well as the brass fittings in the worksite itself, a Building Commission audit has found. The ... 'Ring main caused lead at Perth hospital' John Holland cleared of Perth Children's Hospital bungles: Building Commission Lead still an issue at PCH |